- DistributedEntityOwnershipListenerRegistration(EntityOwnershipListener listener, String entityType,
- DistributedEntityOwnershipService service) {
- super(listener, entityType);
- this.service = service;
+ DistributedEntityOwnershipListenerRegistration(final DOMEntityOwnershipListener listener, final String entityType,
+ final DistributedEntityOwnershipService service) {
+ super(listener);
+ this.entityType = Preconditions.checkNotNull(entityType, "entityType cannot be null");
+ this.service = Preconditions.checkNotNull(service, "DOMEntityOwnershipListener cannot be null");